Research Article

Sustainable Modular Adaptive Redundancy Technique Emphasizing Partial Reconfiguration for Reduced Power Consumption

Table 1

Comparison between SMART and other prominent fault-tolerance approaches.

ApproachFault handling methodFault detectionResource coverageFault isolation
granularity
Power overhead area cost
LatencyHard faultsLogicComparator

TMRSpatial votingNegligibleNoYesNoVoting element + OV
Vigander [13]Spatial voting and offline evolutionary refurbishmentNegligibleNoYesNoVoting element + OV + OGA
Lach [15]Design-time fine grain redundancy-based reconfigurationNot addressedNoYesNot
addressed
Group of predefined CLBsFault detection mechanism is not addressed
STARS [16]Online BISTDepends on geometry of deviceYesYesYesSingle LUTOFE + reconfiguration controller
Garvie [11]Spatial voting and online (1+1) ESNegligibleYesYesNoVoting element + OV + OGA
Keymeulen [17]Design-time population-based fault insensitive designsNot addressedNoYesNot
addressed
Not addressedFault detection mechanism is not addressed
SMARTAdaptive redundancy, diversity-based configurations, OGANegligibleYesYesNoVoting elementAnalyzed in Section 6.4 Power Savings